Up for sale today is a 10" × 14" Fallout Shelter Sign D.O.D. FS. No.2 Metal Sign. 1960's?. A cool find for your collection or mancave. Not sure of it's purpose but there is a 2. 1/2" hole in the sign. Please see all pictures for the overall look and appearance of my items. All of my items are sold in "as is as found condition". Thanks for looking.